<tal:block define="ImFalse boolean:false"></tal:block>
<ul>
    <li tal:condition="boolean:false">an example</li>
    <li tal:condition="ImFalse">of dumb values</li>
    <li tal:replace="">that won't be displayed</li>
    <li tal:replace="">when interpreted</li>
    <li tal:replace="">but very handy to test the design</li>
    <li tal:replace="">when not interpreted</li>
    <li tal:repeat="baz foobar"><tal:block tal:content="baz">This one will be replaced at each iteration!</tal:block></li>
</ul>
<span tal:replace="">You may want to check TalExample in this directory for more examples</span>